Crossword Genius

ER graph (3)

Ross

I believe the answer is:

ekg

'er graph' is the definition.
(I've seen this in another clue)

This is the entire clue.

I've seen this clue in the LA Times, the L.A. Times Daily and The Washington Post.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.